Definition of muscarine
: a toxic alkaloid base [C9H20NO2]+ that is biochemically related to acetylcholine, is found especially in fly agaric, and acts directly on smooth muscle
Recent Examples of muscarine from the Web
In having this effect, the organic-phosphate compounds resemble the alkaloid poison muscarine, found in a poisonous mushroom, the fly amanita.
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Origin and Etymology of muscarine
German Muskarin, from New Latin (Amanita) muscaria fly agaric
First Known Use: 1872See Words from the same year
Medical Definition of muscarine
: a toxic ammonium base [C9H20NO2]+ that is biochemically related to acetylcholine, was originally extracted from fly agaric but also occurs in other mushrooms (as of the genus Inocybe), and when ingested produces symptoms of parasympathetic nervous system stimulation (as excessive salivation, lacrimation, bronchial secretion, diarrhea, miosis, and bradycardia)
Learn More about muscarine
Britannica.com: Encyclopedia article about muscarine
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